Something from Nothing: Simulating our Universe

Something from Nothing: Simulating our Universe

High resolution computational simulations are a valuable means by which Astronomers test our understanding of the Universe, and make predictions. The world of computational astrophysics broke new ground recently with the highest resolution cosmological simulation to date, Illustris, making for some spectacular science and some spectacular images.

Dark in the Lightness

Dark in the Lightness

New results from stacked weak lensing measurements of over a hundred thousand galaxies show that, on large scales, light from stars appears to trace the dark matter distribution of the Universe remarkably well.